static variables

Hi   In controller I have def role_wise_summary_graph_render     @graph1 = open_flash_chart_object(300,200, "#{summary_graph_path(:role_name => 'Role1')}", true)     @graph2 = open_flash_chart_object(300,200, "#{summary_graph_path(:role_name => 'Role2')}", true)   respond_to do |format|